You can simply substitute the values I previously used for message with the contents of a file. To encrypt and decrypt files, you will need to use read and write binary when opening files. The encrypted AES key will be shared with authorized persons in possession of the private key to decrypt it. SHA256 (), label = None ) ) # Checking the results > original_message b 'encrypt me!' > message = original_message True Encrypting and Decrypting Files I am trying to implement a script that will encrypt a file using a randomly generated AES key then encrypt said AES key with an RSA public key. SHA256 (), label = None ) ) > original_message = private_key. read (), backend = default_backend () ) # Encrypting and decrypting > from import hashes > from import padding > message = b 'encrypt me!' > encrypted = public_key. dCode uses word databases whose hash has already been calculated (several million potential passwords) and checks if the hash is known. read (), password = None, backend = default_backend () ) > with open ( 'public_key.pem', 'rb' ) as key_file : public_key = serialization. write ( pem ) # Reading the keys back in (for demonstration purposes) > from import default_backend > from import serialization > with open ( 'private_key.pem', 'rb' ) as key_file : private_key = serialization.

SubjectPublicKeyInfo ) > with open ( 'public_key.pem', 'wb' ) as f : f. NoEncryption () ) > with open ( 'private_key.pem', 'wb' ) as f : f. PKCS8, encryption_algorithm = serialization.

private_bytes ( encoding = serialization.

public_key () # Storing the keys > from import serialization > pem = private_key. generate_private_key ( public_exponent = 65537, key_size = 2048, backend = default_backend () ) > public_key = private_key. Use this Certificate Decoder to decode your PEM encoded SSL certificate and verify that it contains the correct information. # Generating a key > from import default_backend > from import rsa > private_key = rsa.

Rsa decryption in python